Bastien is impatient for Sam’s return so the band can resume rehearsals, but Enzo reveals that Sam is cheating on Sacha and the group’s future is compromised by their possible breakup. Sacha is determined to open up his relationship with Sam to finally put an end to their jealousy problems. Mischievous Nathan has used his charm to disrupt the fragile relationship between Valentin and Bastien. When four of the boys discover that they are all linked to Nathan in one way or another, the situation will become complicated and major upheavals will occur.